Jaeger-LeCoultre Reverso Grande Sun Moon Q3042420 Silver Dial

Opening Context
The Reverso has always balanced architecture with ingenuity. What began as a practical reversible case became one of Jaeger-LeCoultre’s most versatile platforms for complications, where the rectangular form is used not as a limitation, but as a design advantage. The Grande Sun Moon is among the most complete expressions of that idea—technical, elegant, and unmistakably Reverso.

Why This Reference Matters
The Q3042420 stands out for how much it achieves while remaining coherent. The silver guilloché dial hosts multiple useful indications: a power reserve at 10, day/night indicator at 2, and moonphase with date between 5 and 6. Each display is positioned with care, preserving the vertical symmetry and Art Deco structure that define the Reverso. The Arabic numerals and blued hands keep the dial lively and legible, while the rose gold case adds warmth and depth. Most significant is the eight-day manually wound calibre 873, which gives the watch unusual autonomy and reinforces the sense of mechanical substance behind its elegant exterior.

On the Wrist
At 29mm × 46.5mm, the watch wears with elongated presence, but its proportions remain graceful thanks to the narrow width and curved case profile. In rose gold, it carries a pleasing weight that feels substantial without becoming heavy. The brown leather strap complements the warm case tone naturally. On the wrist, it feels sophisticated and distinctive—formal in spirit, yet more engaging than a simple dress watch.

Condition & Transparency
This example features a 29mm × 46.5mm 18K rose gold reversible case with silver guilloché dial, power reserve indicator at 10 o’clock, day/night indicator at 2, moonphase with date between 5 and 6, Arabic numerals, and blued hands. It is fitted to a brown leather strap secured by an 18K rose gold deployant clasp and powered by the manually wound Jaeger-LeCoultre calibre 873 with approximately 8 days of power reserve. As always, particular attention should be given to the reversing mechanism, case definition, functionality of all complications, and confirmed service history, along with overall set completeness—communicated strictly based on verified information.

Why It Belongs in a Collection
The Reverso Grande Sun Moon belongs in a collection that values complication within strong design. It offers far more interaction than a standard dress watch, yet retains the elegance and identity of the Reverso. For collectors who appreciate rectangular cases, manual-wind movements, and useful complications, it provides a particularly satisfying option.

Closing
The Q3042420 is compelling because it layers complexity onto clarity. With its warm rose gold case, richly balanced dial, and eight-day movement, it stands as a thoughtful demonstration of how the Reverso can be both beautiful and deeply capable.

Specifications

• Case Size: 29 mm x 46.5 mm
  
• Material: 18k Rose Gold
  
• Dial: Silver Guilloché Dial with Power Reserve at 10, Day/Night Indicator at 2, Moonphase with Date between 5 and 6, Arabic Numerals and Blued Hands
  
• Strap: Brown Leather Strap with 18k Rose Gold Deployant Clasp
  
• Power Reserve: 8 Days
  
• Movement: Manual (Calibre 873)

Shipments are delivered under Delivered Duty Unpaid (DDU) terms, with duties and taxes payable by the recipient.